Allium cernuum var. obtusum Cockerell ex J.F.Macbr. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Asparagales family Amaryllidaceae genus Allium species Allium cernuum Name Homonyms Allium cernuum var. obtusum (Cockerell) Cockerell Allium cernuum f. obtusum Cockerell Allium cernuum subsp. obtusum (Cockerell) Traub & Ownbey Allium cernuum var. obtusum Cockerell ex J.F.Macbr. Common names nodding onion in 英語